<template>
  <div class="permission-container">
    <div class="app-container">
      <!-- 表格 -->
      <el-card>
        <div style="text-align: right; margin-bottom: 20px">
          <el-button type="primary" size="small" @click="hAdd(1, '0')">添加权限</el-button>
        </div>
        <el-table border :data="list" row-key="id">
          <el-table-column label="名称" prop="name" />
          <el-table-column label="标识" prop="code" />
          <el-table-column label="描述" prop="description" />
          <el-table-column label="操作">
            <template slot-scope="{ row }">
              <el-button type="text" v-if="row.type === 1" @click="hAdd(2, row.id)">添加</el-button>
              <el-button type="text" @click="hEdit(row.id)">编辑</el-button>
              <el-button type="text" v-if="row.children.length === 0" @click="hDel(row.id)">删除</el-button>
            </template>
          </el-table-column>
        </el-table>
      </el-card>
    </div>

    <el-dialog :visible.sync="showDialog" :title="isEdit ? '编辑' : '添加'" @close="resetForm">
  <!-- 表单内容 -->
  <el-form label-width="100px" :model="formData" ref="Form">
    <el-form-item label="权限名称" prop="name">
      <el-input v-model="formData.name" />
    </el-form-item>
    <el-form-item label="权限标识" prop="code">
      <el-input v-model="formData.code" />
    </el-form-item>
    <el-form-item label="权限描述" prop="description">
      <el-input v-model="formData.description" />
    </el-form-item>
    <el-form-item label="权限启用">
      <el-switch
        v-model="formData.enVisible"
        active-text="启用"
        active-value="1"
        inactive-text="不启用"
        inactive-value="0"
      />
    </el-form-item>
  </el-form>

  <template #footer>
    <div style="text-align: right;">
      <el-button @click="showDialog = false">取消</el-button>
      <el-button type="primary" @click="hSubmit">确定</el-button>
    </div>
  </template>
</el-dialog>
  </div>
</template>
<script>
import { getPermissionList, addPermission, delPermission, getPermissionDetail, updatePermission} from '@/api/permisson'
import { ListToTree } from '@/utils/index'
export default {
  data() {
    return {
      list: [],
      showDialog: false, // 是否显示弹层
      formData: {
        name: '', // 名称
        code: '', // 权限标识
        description: '', // 描述
        enVisible: '0', // 开启
        pid: '', // 添加到哪个节点下
        type: '' // 类型
      },
      isEdit: false
    }
  },
  created() {
    this.loadPermissionList()
  },
  methods: {
    async hEdit(id) {
     this.isEdit = true
     const res = await getPermissionDetail(id)
      // 2. 填充在表单中
     this.formData = res.data
     // 3. 显示弹层
     this.showDialog = true
     this.loadPermissionList()
   },
   async doEdit() {
     try {
       const res = await updatePermission(this.formData)
       this.showDialog = false
       this.loadPermissionList()
       this.$message.success('修改成功')
     } catch(err) {
       console.log(err)
       this.$message.error('修改失败')
     }
   },
   hDel(id) {
     this.$confirm('你确定要删除吗?', '提示').then(() => {
       this.doDel(id)
     }).catch((err) => {
      console.log(err)
      this.$message.error(err)
     })
   },
   async doDel(id) {
     await delPermission(id)
     this.loadPermissionList()
     this.$message.success('删除成功')
   },
   resetForm() {
     this.$refs.Form.resetFields() 
   },
   hSubmit() {
      this.$refs.Form.validate(valid => {
        if(!valid) {
          return
        }
        // 做添加 或者编辑
        this.isEdit ? this.doEdit() : this.doAdd()
      })
    },
    async doAdd() {
     await addPermission(this.formData)
     this.loadPermissionList()
     this.$message.success('添加成功')
     this.showDialog = false
    },
    hAdd(type, id) {
      this.isEdit = false
      this.formData.type = type
      this.formData.pid = id
      this.showDialog = true
    },
    async loadPermissionList() {
      const res = await getPermissionList()
      this.list = ListToTree(res.data)
    }
  }
}
</script>